Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions. References 1, , and , “A Tabu Search Heuristic for the Multi-Depot Vehicle Routing Problem,” Computers and Operations Research 23, no. 3 (1996): 229–235. 2, Reinforcement Learning: An Introduction.